想提取mimicIV数据库的有关腹内压的数据,用的chatgpt的代码,不知道为什么提不出来
SELECT DISTINCT itemid, label
FROM d_labitems
WHERE label ILIKE '%abdominal%pressure%'
UNION
SELECT DISTINCT itemid, label
FROM d_items
WHERE label ILIKE '%abdominal%pressure%'
UNION
SELECT DISTINCT itemid, label
FROM d_procedures
WHERE label ILIKE '%abdominal%pressure%';
报错如下
错误: 关系 "d_labitems" 不存在
LINE 2: FROM d_labitems
^